I know what that's about!
when George lies and blames Aya for things she didn't do, usually because he's too selfish to take the blame himself.
George said, 'I know what that's about!' and blamed Aya for stealing his lunch.
George used 'I know what that's about!' to accuse Aya of breaking his phone.
George said, 'I know what that's about!' and told Aya she cheated on the math quiz.